为广泛征求电解铝企业在签订和执行国产氧化铝长期合同方面的意见和建议,进一步加强国内铝行业之间的合作,在氧化铝、电解铝生产商之间建立起良好的上下游企业关系,4月16日,中铝公司在郑州长城饭店召开了国产氧化铝长期合同研讨会。中铝股份总裁助理马敏修,中铝股份营销部总经 In order to solicit the opinions and suggestions of electrolytic aluminum enterprises in signing and implementing long-term domestic long-term alumina contracts, further strengthen the cooperation among the domestic aluminum industries and establish a good upstream and downstream business relationship between alumina producers and electrolytic aluminum producers, On April 16, Chinalco held a long-term domestic alumina contract seminar at Great Wall Hotel in Zhengzhou. Ma Minxiu, president of Chalco shares, general manager of the Aluminum Marketing